The principle of redundancy is used when system reliability is improved through redundant or backup components. Assume that a student's alarm clock has a 16.7% daily failure rate Complete parts (a) through (d) below. a. What is the probability that the student's alarm dock will not work on the moming of an important final exam? 0.167 (Round to three decimal places as needed.) b. If the student has two such alam clocks, what is the probability that they both tail on the moming of an important final exam? 0.02780 (Round to five decimal places as needed.) e. What is the probability of not being awakened if the student uses three independent alarm clocks? ORound to five decimal places as needed.)
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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